xref: /dragonfly/games/trek/dock.c (revision 3f5e28f4)
1 /*
2  * Copyright (c) 1980, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * @(#)dock.c	8.1 (Berkeley) 5/31/93
34  * $FreeBSD: src/games/trek/dock.c,v 1.4 1999/11/30 03:49:46 billf Exp $
35  * $DragonFly: src/games/trek/dock.c,v 1.3 2006/09/07 21:19:44 pavalos Exp $
36  */
37 
38 # include	"trek.h"
39 
40 /*
41 **  DOCK TO STARBASE
42 **
43 **	The starship is docked to a starbase.  For this to work you
44 **	must be adjacent to a starbase.
45 **
46 **	You get your supplies replenished and your captives are
47 **	disembarked.  Note that your score is updated now, not when
48 **	you actually take the captives.
49 **
50 **	Any repairs that need to be done are rescheduled to take
51 **	place sooner.  This provides for the faster repairs when you
52 **	are docked.
53 */
54 
55 void
56 dock(__unused int unused)
57 {
58 	int		i, j;
59 	int			ok;
60 	struct event	*e;
61 
62 	if (Ship.cond == DOCKED)
63 	{
64 		printf("Chekov: But captain, we are already docked\n");
65 		return;
66 	}
67 	/* check for ok to dock, i.e., adjacent to a starbase */
68 	ok = 0;
69 	for (i = Ship.sectx - 1; i <= Ship.sectx + 1 && !ok; i++)
70 	{
71 		if (i < 0 || i >= NSECTS)
72 			continue;
73 		for (j = Ship.secty - 1; j <= Ship.secty + 1; j++)
74 		{
75 			if (j  < 0 || j >= NSECTS)
76 				continue;
77 			if (Sect[i][j] == BASE)
78 			{
79 				ok++;
80 				break;
81 			}
82 		}
83 	}
84 	if (!ok)
85 	{
86 		printf("Chekov: But captain, we are not adjacent to a starbase.\n");
87 		return;
88 	}
89 
90 	/* restore resources */
91 	Ship.energy = Param.energy;
92 	Ship.torped = Param.torped;
93 	Ship.shield = Param.shield;
94 	Ship.crew = Param.crew;
95 	Game.captives += Param.brigfree - Ship.brigfree;
96 	Ship.brigfree = Param.brigfree;
97 
98 	/* reset ship's defenses */
99 	Ship.shldup = 0;
100 	Ship.cloaked = 0;
101 	Ship.cond = DOCKED;
102 	Ship.reserves = Param.reserves;
103 
104 	/* recalibrate space inertial navigation system */
105 	Ship.sinsbad = 0;
106 
107 	/* output any saved radio messages */
108 	dumpssradio();
109 
110 	/* reschedule any device repairs */
111 	for (i = 0; i < MAXEVENTS; i++)
112 	{
113 		e = &Event[i];
114 		if (e->evcode != E_FIXDV)
115 			continue;
116 		reschedule(e, (e->date - Now.date) * Param.dockfac);
117 	}
118 	return;
119 }
120 
121 
122 /*
123 **  LEAVE A STARBASE
124 **
125 **	This is the inverse of dock().  The main function it performs
126 **	is to reschedule any damages so that they will take longer.
127 */
128 
129 void
130 undock(__unused int unused)
131 {
132 	struct event	*e;
133 	int		i;
134 
135 	if (Ship.cond != DOCKED)
136 	{
137 		printf("Sulu: Pardon me captain, but we are not docked.\n");
138 		return;
139 	}
140 	Ship.cond = GREEN;
141 	Move.free = 0;
142 
143 	/* reschedule device repair times (again) */
144 	for (i = 0; i < MAXEVENTS; i++)
145 	{
146 		e = &Event[i];
147 		if (e->evcode != E_FIXDV)
148 			continue;
149 		reschedule(e, (e->date - Now.date) / Param.dockfac);
150 	}
151 	return;
152 }
153